On the Self-Cultivation of Vicious Female Supporting Characters

When Lu Ziye was reborn, she brought with her a cheating tool called the system. She originally thought she could reach the top of her life, but why were things different from what she thought? "Wait a minute, shouldn't I be the protagonist! Why are you all trying to trick me!" "Sorry, you are a supporting character." "???" "Vicious female supporting role." Isn't this completely different from what was originally promised? Throw it down in anger! This is how Lu Ziye's long road to death as a vicious female supporting character begins.